Designers - Industrial in Hitchin, Hertfordshire
| Name & Address | Phone # | Website |
| Custom Antenna Systems Ltd 10-12 Wallace Way, Hitchin, Hertfordshire SG4 0SE | 01462 454331 |  |
| Goude Design Group 2/Lowergreen Farm, Hitchin, Hertfordshire SG5 3TW | 01462 433408 |  |
